---
id: CVE-2025-15459
title: A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627
summary: >-
  A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627.
  Affected by this issue is the function strcpy of the file /goform/formUser.
  Such manipulation of the argument passwd1 leads to buffer overflow. The attack
  may be lau…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-120
vendor: utt
product: 520w_firmware
affected:
  - 520w_firmware <= 1.7.7-180627
published: '2026-01-05'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T23:10:00.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-15459'
references:
  - url: 'https://github.com/cymiao1978/cve/blob/main/new/22.md'
    label: cna@vuldb.com
  - url: 'https://github.com/cymiao1978/cve/blob/main/new/22.md#poc'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.339495'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.339495'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.725816'
    label: cna@vuldb.com
  - url: 'https://github.com/cymiao1978/cve/blob/main/new/22.md'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00864
epssPercentile: 0.57053
ingestedAt: '2026-09-30T23:29:32.529Z'
---

## Overview

A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. Affected by this issue is the function strcpy of the file /goform/formUser. Such manipulation of the argument passwd1 leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `520w_firmware <= 1.7.7-180627`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.